Pressure cooker



FIG. 1 is a front elevational view of a pressure cooker, showing my newdesign;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a side view thereof, opposite FIG. 3;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top perspective view thereof; and

FIG. 8 is a top perspective view thereof, opposite FIG. 7.

The ornamental design for a pressure cooker, as shown.